Question

a 100 ml sample of oxegen is heated from 320k to 480k at constant pressure what is the new volume

Answer 1

From the ideal gas equation,

PV = nRT

Volume directly proportional to Temp

Hence,

$\frac{v1}{v2} = \frac{t1}{t2} \\ \\ \frac{100}{v} = \frac{320}{480} = \frac{32}{48} = \frac{2}{3} \\ \\ v = 100 \times \frac{3}{2} = 50 \times 3 = 150ml$

Hence the new volume will be 150ml

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